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Finding the Fourth Proportional to 1,341.03, 1,848.89 and 868.09

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Solution

The fourth proportional to 1,341.03, 1,848.89 and 868.09 is: 1,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.03 : 1,848.89 = 868.09 : x
  2. Step 2: Convert to fraction form
    1,341.03/1,848.89 = 868.09/x
  3. Step 3: Cross multiply
    1,341.03x = 1,848.89 × 868.09
  4. Step 4: Simplify right side
    1,341.03x = 1,604,993.68
  5. Step 5: Solve for x
    x = 1,604,993.68/1,341.03
  6. Step 6: Final answer
    x = 1,196.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.